30-year-old Sada Seiya works at a general trading company. Known as the ace of the Intermedia Communication Department (also known as the Handsome Department), he maintains the pretense of having a long-time girlfriend, but, in fact, he has been single for over 10 years and is a half-virgin (0.5D).
One day, Sada falls in love for the first time in 10 years. Having completely forgotten how to start a relationship, he decides to receive love advice from his junior in the same department and university, Uno Daiki… Will Sada’s first love in 10 years bear fruit?
